KR102171653B1 - Apparatus and method for test of bop control system - Google Patents

Abstract

The present invention relates to a test apparatus and method for a blowout preventer (BOP) control system. An apparatus for testing a blowout preventer (BOP) control system, comprising: a BOP control panel receiving an operation command for a BOP; Receives an operation command for the BOP from the BOP control panel, generates a control signal according to the operation command for the BOP, and transmits the control signal and HPU (hydraulic power unit) pressure information to a computer on which a BOP simulation program is installed. Central control unit; And a computer installed with a BOP simulation program that receives the control signal and the HPU pressure information from the central control unit, simulates the operation of the BOP according to the control signal and the HPU pressure information, and transmits the simulation result to the central control unit. A device for testing a BOP control system including is provided.

Description

BOP control system test apparatus and method {APPARATUS AND METHOD FOR TEST OF BOP CONTROL SYSTEM}

The present invention relates to a blowout preventer (BOP), and more particularly, to a test apparatus and method for a BOP control system.

As the international rapid industrialization and industry develop, the use of resources such as petroleum is gradually increasing, and accordingly, stable production and supply of oil is emerging as a very important issue at a global level.

For this reason, in recent years, the development of marginal fields or deep-sea oil fields, which have been neglected due to lack of economics, has become economical. Accordingly, with the development of subsea mining technology, a drilling vessel equipped with a drilling facility suitable for the development of such oil fields has been developed.

In the conventional seabed drilling, a fixed platform for drilling work by anchoring at a point in the offshore was mainly used, but recently, floating drilling facilities capable of drilling work in deep seas of 3,000m or more have been developed and are used for underwater drilling.

In such drilling facilities, various drilling-related equipment such as a derrick system, a riser, and a drill string are installed to drill oil or gas existing under the sea floor.

In recent years, as the development of deep-sea oil fields is actively progressing, safety for various drilling equipments is particularly important. Among the drilling equipments, it is the equipment most closely related to safety in the drilling process, and blowout preventer (BOP) ).

BOP equipment is a device to safely remove high-pressure gas generated in the drilling process to prevent gas explosion in a submarine oil well.It is installed in a form that is connected to the upper wellhead of the submarine oil well by being connected through a riser from the offshore drilling facility. . These BOP equipment is designed to withstand 15,000 psi pressure in a high pressure environment with a depth of 3,000 m (4,300 psi) or more in a form suitable for deep sea environments.

In addition, when the BOP equipment is installed in a subsea oil well, it is connected to the BOP control system of the rig through a riser. The BOP control system is a system that can control the operation of BOP equipment and monitor the operation status of BOP equipment.

According to the prior art, commissioning of the BOP control system is performed only for the operation of the BOP control system itself without actually connecting the BOP, or is generally performed for the BOP on the drilling vessel, not the deep sea environment where the BOP is installed. lost. Therefore, there is a problem in that the test result is inaccurate because the test of the BOP control system is not performed in consideration of the oil well and the deep sea environment in which the BOP is installed. In addition, when the BOP control system is tested by connecting with the actual BOP, there is a problem that the test of the BOP control system may be delayed because the delivery of the BOP takes a long time.

Prior technology: Domestic registration patent No. 10-1185286 (registered on September 17, 2012)

An object of the present invention is to provide an apparatus and method for testing a BOP control system capable of obtaining an accurate test result by testing a BOP control system in an environment similar to an environment in which a BOP is installed, and performing a test at a time when the test is required.

According to an embodiment of the present invention for achieving the above object, there is provided an apparatus for testing a blowout preventer (BOP) control system, comprising: a BOP control panel receiving an operation command for a BOP; Receives an operation command for the BOP from the BOP control panel, generates a control signal according to the operation command for the BOP, and transmits the control signal and HPU (hydraulic power unit) pressure information to a computer on which a BOP simulation program is installed. Central control unit; And a computer installed with a BOP simulation program that receives the control signal and the HPU pressure information from the central control unit, simulates the operation of the BOP according to the control signal and the HPU pressure information, and transmits the simulation result to the central control unit. A device for testing a BOP control system including is provided.

In particular, the apparatus for testing the BOP control system may further include a hydraulic power unit (HPU) that measures the HPU pressure information and transmits the HPU pressure information to the central control unit.

In addition, the BOP simulation program may include a hydraulic analysis module that calculates the magnitude of the force applied by the hydraulic pressure of the HPU hydraulic information to the piston connected to the ram of the BOP.

In addition, the BOP control system test device uses the magnitude of the force calculated by the hydraulic analysis module to calculate the magnitude of the force received by the ram, the acceleration of the ram, the velocity of the ram, and the dynamic analysis of the position of the ram. It may further include a module.

In addition, the hydraulic analysis module may calculate the magnitude of the force applied to the changed piston using the calculated position of the ram.

In addition, the BOP simulation program may represent a three-dimensional shape of the BOP on a display device connected to a computer on which the BOP simulation program is installed.

In addition, the simulation result may include whether the BOP is operated according to the operation command for the BOP.

According to another embodiment of the present invention for achieving the above object, in a method for testing a blowout preventer (BOP) control system, a control signal and hydraulic power unit (HPU) pressure information from a central control unit are transferred to a computer on which a BOP simulation program is installed. Transmitting; Simulating an operation of a BOP according to the control signal and the HPU pressure information in a computer on which the BOP simulation program is installed; And transmitting a simulation result from a computer in which the BOP simulation program is installed to a central control unit.

In particular, the method of testing a BOP control system includes the steps of receiving an operation command for a BOP from a BOP control panel and transmitting it to a central control unit; And generating the control signal according to an operation command for the BOP in the central control unit.

In addition, in the BOP control system testing method, generating the control signal may further include calculating a valve to be opened and a valve to be closed among valves of the BOP according to an operation command for the BOP.

In addition, the BOP control system test method may further include the step of transmitting the HPU pressure information to the central control unit by measuring a fluid pressure with a pressure gauge of the HPU when the HPU is operated in a hydraulic power unit (HPU). .

According to an embodiment of the present invention, by testing the BOP control system using a BOP simulation program, it is possible to test the BOP control system in an environment similar to the environment in which the BOP is installed to obtain accurate test results, and to perform the test when the test is necessary. can do.

1 is a block diagram of an apparatus for testing a BOP control system according to an embodiment of the present invention.
2 is a flowchart of a method for testing a BOP control system according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to elements of each drawing, it should be noted that the same elements have the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 is a block diagram of an apparatus for testing a blowout preventer (BOP) control system according to an embodiment of the present invention. The BOP control system refers to all equipment for operating the BOP on the drilling vessel, and as shown in FIG. 1, the BOP control system is connected to the computer 140 on which the BOP simulation program is installed.

1, the BOP control system includes a central control unit (CCU) 110, a BOP control panel 120, and a hydraulic power unit (HPU) 130.

The BOP control panel 120 receives an operation command for a BOP from a user and transmits it to the central control unit 110, and displays the BOP operation result received from the computer 140 on which the BOP simulation program is installed. The actual BOP includes a plurality of RAMs, annular BOPs and various valves, and the BOP control panel 120 operates for each of a plurality of RAMs, annular BOPs and various valves. Commands can be input.

The central control unit 110 controls and manages the BOP control system. The central control unit 110 generates a control signal according to the command received from the BOP control panel and transmits it to the computer 140 installed with the BOP simulation program, and receives the BOP operation result from the computer 140 installed with the BOP simulation program. It is transmitted to the BOP control panel 120. Then, the central control unit 110 receives HPU pressure information from the HPU 130 and transmits it to the computer 140 on which the BOP simulation program is installed.

The HPU 130 is a device that supplies hydraulic pressure for operating the BOP to the BOP.

First, looking at the case where the BOP control system is actually connected to the BOP equipment, the BOP control system and the BOP equipment are connected by two mux cables, and the HPU 130 and the BOP equipment are connected by two hydraulic lines. . The BOP control system supplies electric signals to the BOP equipment through a mux cable, and the HPU 130 supplies hydraulic pressure to the BOP equipment through two hydraulic lines. That is, power and valve operation signals are transmitted to the BOP equipment through the mux cable, and the ram and enula BOP of the BOP equipment are closed and opened using hydraulic pressure supplied through the hydraulic line. The fluid supplied through the hydraulic line pushes the piston connected to the ram or annula BOP to close the ram or annula BOP. In other words, the BOP control system can control the BOP equipment by being connected to the BOP equipment with a mux cable for transmitting a control signal and a hydraulic line for supplying hydraulic pressure. In addition, the valve opens or closes by an electric signal and controls the position where hydraulic pressure is supplied, and in order to close the BOP ram, the force that moves the ram by the hydraulic pressure acting in the opposite direction is applied by the pressure inside the BOP. Must be greater than strength.

In the apparatus for testing the BOP control system according to the embodiment of the present invention, the HPU 130 measures the pressure of the fluid with the pressure gauge of the HPU 130 when the HPU 130 is operated, and provides HPU pressure information to the central control unit 110 ). Then, the central control unit 110 transmits the HPU pressure information to the computer 140 on which the BOP simulation program is installed.

The computer 140 on which the BOP simulation program is installed is installed with a BOP simulation program that simulates the operation of the BOP according to the control information and HPU pressure information received from the central control unit 111 and transmits the result to the central control unit 111. It is a computer.

The BOP simulation program includes a hydraulic analysis module and a dynamics analysis module, and may represent a three-dimensional shape of the BOP on a display device connected to a computer on which the BOP simulation program is installed.

The hydraulic analysis module calculates the magnitude of the hydraulic force applied to the piston connected to the ram or annula BOP, and the dynamics analysis module uses the calculated force applied by the hydraulic pressure to the ram or annula BOP. Calculate the magnitude of the force received, and use the magnitude of the force received by the ram or annula BOP to calculate the acceleration, velocity, and position of the next moment of the ram or annula BOP. Then, the calculated position information of the next moment of the ram or annula BOP is input to the hydraulic analysis module, and the hydraulic analysis module determines the magnitude of the force applied to the piston by the changed hydraulic pressure as the position of the ram or annula BOP is changed. Calculate. This calculation process of the hydraulic analysis module and the dynamics analysis module is repeated until the ram or annula BOP is closed or opened, and the BOP operation result is transmitted to the central control unit 110. The BOP operation result transmitted to the central control unit 110 is whether the ram or annula BOP is closed or opened, the internal pressure of the BOP, the BOP posture, the travel distance of the ram or annula BOP, the movement position of the ram or annula BOP. , The time taken for the ram or annular BOP to close or open, whether the ram or annular BOP is properly operated, and the like.

For example, when a command to close the RAM is input to the BOP control panel 120, the BOP control panel 120 transmits the received command to the central control unit 110, and the central control unit 110 receives the received command. In order to close the ram according to the command, the valve to be opened and the valve to be closed are calculated, and a control signal representing the calculation result is transmitted to the computer 140 on which the BOP simulation program is installed. Then, the HPU pressure information received from the HPU 130 is transmitted to the computer 140 on which the BOP simulation program is installed. Then, the hydraulic analysis module of the BOP simulation program calculates the magnitude of the force applied to the piston connected to the ram, and the dynamics analysis module calculates the magnitude of the force received by the ram using the calculated magnitude of the force applied to the piston. The ram's acceleration, velocity, and position at the next moment are calculated using the amount of force the ram receives. Then, the changed position of the ram is input again to the hydraulic analysis module, and the hydraulic analysis module calculates the magnitude of the force applied to the piston by the changed hydraulic pressure as the position of the ram is changed. This calculation process of the hydraulic analysis module and the dynamics analysis module is repeated until the ram or annular BOP is closed or opened, and the result of this BOP operation is transmitted to the central control unit 110. The central control unit 110 transmits the BOP operation result to the BOP control panel 120, and the BOP control panel 120 displays the BOP operation result.

Next, a method of testing a BOP control system according to an embodiment of the present invention will be described with reference to FIG. 2. 2 is a flowchart of a method for testing a BOP control system according to an embodiment of the present invention.

The BOP control panel receives the operation command for the BOP from the user and transmits it to the central control unit (S210). When the HPU is operated, the HPU measures the pressure of the fluid with the pressure gauge of the HPU and transfers HPU pressure information to the central control unit. Transmit (S220).

Then, the central control unit generates a control signal according to the operation command for the BOP received from the BOP control panel (S230). For example, if the operation command for the BOP received from the BOP control panel is a command to close the ram, the central control unit calculates the valve to be opened and the valve to be closed among the valves of the BOP to close the ram, and calculates the calculation result. Generates the indicated control signal. Then, the central control unit transmits the generated control signal and HPU pressure information to the computer on which the BOP simulation program is installed (S240).

The computer on which the BOP simulation program is installed simulates the operation of the BOP according to the received control signal and HPU pressure information (S250), and transmits the simulation result to the central control unit (S260).

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

110: BOP control panel
120: HPU
130: central control unit
140: Computer with BOP simulation program installed

Claims (11)

In the BOP (Blowout Preventer) control system test apparatus,
BOP control panel for receiving operation commands for BOP;
Receives an operation command for the BOP from the BOP control panel, generates a control signal according to the operation command for the BOP, and transmits the control signal and HPU (hydraulic power unit) pressure information to a computer on which a BOP simulation program is installed. Central control unit;
A hydraulic power unit (HPU) configured to measure the HPU pressure information and transmit the HPU pressure information to the central control unit; And
It includes a computer installed with a BOP simulation program for receiving the control signal and the HPU pressure information from the central control unit, simulating the operation of the BOP according to the control signal and the HPU pressure information, and transmitting the simulation result to the central control unit and,
The BOP simulation program includes a hydraulic analysis module and a dynamics analysis module,
The hydraulic analysis module calculates the magnitude of the force applied by the hydraulic pressure of the HPU hydraulic information to the piston connected to the ram of the BOP,
The dynamics analysis module calculates the magnitude of the force received by the ram using the magnitude of the force calculated by the hydraulic analysis module, and uses the magnitude received by the ram to determine the acceleration of the next moment of the ram, Calculate the speed and the position of the ram, and input the calculated position information of the next moment of the ram to the hydraulic analysis module,
The hydraulic analysis module calculates the magnitude of the force applied to the piston by the changed hydraulic pressure using the calculated position of the ram,
The BOP simulation program is a BOP control system testing device that displays a three-dimensional shape of a BOP on a display device connected to a computer on which a BOP simulation program is installed. delete delete delete delete delete The method according to claim 1,
The simulation result includes whether or not the BOP has been operated according to an operation command for the BOP. In the BOP (Blowout Preventer) control system test method,
Transmitting a control signal and hydraulic power unit (HPU) pressure information from a central control unit to a computer on which a BOP simulation program is installed;
Simulating an operation of a BOP according to the control signal and the HPU pressure information in a computer on which the BOP simulation program is installed; And
Transmitting the simulation result from the computer in which the BOP simulation program is installed to a central control unit,
The hydraulic analysis module calculates the magnitude of the force applied by the hydraulic pressure of the HPU hydraulic information to the piston connected to the ram of the BOP,
The dynamics analysis module calculates the magnitude of the force received by the ram using the magnitude of the force calculated by the hydraulic analysis module, and uses the magnitude received by the ram to determine the acceleration at the next moment of the ram and the speed of the ram. And calculating the position of the ram, and inputting the calculated position information of the next moment of the ram to the hydraulic analysis module,
The hydraulic analysis module calculates the magnitude of the force applied to the piston by the changed hydraulic pressure using the calculated position of the ram,
The BOP simulation program is a BOP control system testing method that displays a three-dimensional shape of a BOP on a display device connected to a computer on which a BOP simulation program is installed. The method of claim 8,
Receiving an operation command for the BOP from the BOP control panel and transmitting it to the central control unit; And
And generating the control signal according to an operation command for the BOP in the central control unit. The method of claim 9,
The step of generating the control signal further comprises calculating a valve to be opened and a valve to be closed among the valves of the BOP according to an operation command for the BOP. The method of claim 8,
When the HPU is operated in a hydraulic power unit (HPU), the pressure of the fluid is measured with a pressure gauge of the HPU, and the HPU pressure information is transmitted to the central control unit.

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